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Submission #568844

# Submission time Handle Problem Language Result Execution time Memory
568844 2022-05-26T09:13:32 Z KBTIT Strange Device (APIO19_strange_device) C++14
100 / 100
 1916 ms 85880 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define FOR(i,l,r) for(ll i=l;i<r;i++)
#define REP(i,n) FOR(i,0,n)
#define RFOR(i,l,r) for(ll i=r-1;i>=l;i--)
#define RREP(i,n) RFOR(i,0,n)
#define ALL(x) x.begin(),x.end()
#define PA pair<ll,ll>
#define F first
#define S second
#define BS(A,x) binary_search(ALL(A),x)
#define LB(A,x) (ll)(lower_bound(ALL(A),x)-A.begin())
#define UB(A,x) (ll)(upper_bound(ALL(A),x)-A.begin())
#define COU(A,x) (UB(A,x)-LB(A,x))
#define sz(c) ((ll)(c).size())
template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;
template<class T>bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T&a,T b){if(b<a){a=b;return 1;}return 0;}
template<class T>void print(vector<T>A){REP(i,A.size()){if(i)cout<<" ";cout<<A[i];}cout<<endl;}
ld dist(ld x1,ld y1,ld x2,ld y2){return sqrtl((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));}
//const ll mod=1000000007;
//const ll mod=998244353;
int main(){
  ll N,A,B;cin>>N>>A>>B;
  vector<PA>S;
  A/=__gcd(A,B+1);
  ll X=2e18;
  if(B<=2e18/A)X=A*B;
  REP(i,N){
      ll L,R;cin>>L>>R;
      if(R-L>=X){cout<<X<<endl;return 0;}
      L%=X;R%=X;
      if(L>R){
          S.emplace_back(PA(L,X));
          S.emplace_back(PA(0,R+1));
      }
      else S.emplace_back(PA(L,R+1));
  }
  set<ll>Q;
  for(auto[l,r]:S)Q.insert(l),Q.insert(r);
  vector<ll>R;
  for(auto q:Q)R.emplace_back(q);
  ll M=sz(R);
  vector<ll>D(M);
  for(auto[l,r]:S)D[LB(R,l)]++,D[LB(R,r)]--;
  REP(i,M)D[i+1]+=D[i];
  ll ans=0;
  REP(i,M-1)if(D[i])ans+=R[i+1]-R[i];
  cout<<ans<<endl;
  return 0;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:42:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   42 |   for(auto[l,r]:S)Q.insert(l),Q.insert(r);
      |           ^
strange_device.cpp:47:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   47 |   for(auto[l,r]:S)D[LB(R,l)]++,D[LB(R,r)]--;
      |           ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 17 ms 1460 KB Output is correct
3 Correct 20 ms 1540 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 16 ms 1460 KB Output is correct
17 Correct 218 ms 10192 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 3 ms 440 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 994 ms 18228 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1695 ms 84052 KB Output is correct
3 Correct 1708 ms 80940 KB Output is correct
4 Correct 1759 ms 81972 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1695 ms 84052 KB Output is correct
3 Correct 1708 ms 80940 KB Output is correct
4 Correct 1759 ms 81972 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1746 ms 82116 KB Output is correct
7 Correct 1690 ms 81916 KB Output is correct
8 Correct 1692 ms 81972 KB Output is correct
9 Correct 1851 ms 81764 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1695 ms 84052 KB Output is correct
3 Correct 1708 ms 80940 KB Output is correct
4 Correct 1759 ms 81972 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 192 ms 10152 KB Output is correct
7 Correct 175 ms 10112 KB Output is correct
8 Correct 175 ms 10192 KB Output is correct
9 Correct 181 ms 10296 KB Output is correct
10 Correct 177 ms 10388 KB Output is correct
11 Correct 171 ms 10488 KB Output is correct
12 Correct 169 ms 10364 KB Output is correct
13 Correct 180 ms 10400 KB Output is correct
14 Correct 183 ms 10428 KB Output is correct
15 Correct 182 ms 10428 KB Output is correct
16 Correct 188 ms 10428 KB Output is correct
17 Correct 182 ms 10316 KB Output is correct
18 Correct 1797 ms 82496 KB Output is correct
19 Correct 1888 ms 82484 KB Output is correct
20 Correct 1916 ms 82108 KB Output is correct
21 Correct 181 ms 10424 KB Output is correct
22 Correct 172 ms 10380 KB Output is correct
23 Correct 479 ms 10416 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 185 ms 10816 KB Output is correct
3 Correct 190 ms 10756 KB Output is correct
4 Correct 1857 ms 81180 KB Output is correct
5 Correct 172 ms 10784 KB Output is correct
6 Correct 174 ms 10732 KB Output is correct
7 Correct 178 ms 10692 KB Output is correct
8 Correct 169 ms 10808 KB Output is correct
9 Correct 174 ms 10700 KB Output is correct
10 Correct 159 ms 10772 KB Output is correct
11 Correct 168 ms 10804 KB Output is correct
12 Correct 167 ms 10684 KB Output is correct
13 Correct 174 ms 10772 KB Output is correct
14 Correct 1735 ms 81480 KB Output is correct
15 Correct 164 ms 10776 KB Output is correct
16 Correct 1649 ms 81424 KB Output is correct
17 Correct 1714 ms 85880 KB Output is correct
18 Correct 1 ms 296 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 17 ms 1460 KB Output is correct
3 Correct 20 ms 1540 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 16 ms 1460 KB Output is correct
17 Correct 218 ms 10192 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 3 ms 440 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 440 KB Output is correct
28 Correct 994 ms 18228 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1695 ms 84052 KB Output is correct
31 Correct 1708 ms 80940 KB Output is correct
32 Correct 1759 ms 81972 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1746 ms 82116 KB Output is correct
35 Correct 1690 ms 81916 KB Output is correct
36 Correct 1692 ms 81972 KB Output is correct
37 Correct 1851 ms 81764 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 192 ms 10152 KB Output is correct
40 Correct 175 ms 10112 KB Output is correct
41 Correct 175 ms 10192 KB Output is correct
42 Correct 181 ms 10296 KB Output is correct
43 Correct 177 ms 10388 KB Output is correct
44 Correct 171 ms 10488 KB Output is correct
45 Correct 169 ms 10364 KB Output is correct
46 Correct 180 ms 10400 KB Output is correct
47 Correct 183 ms 10428 KB Output is correct
48 Correct 182 ms 10428 KB Output is correct
49 Correct 188 ms 10428 KB Output is correct
50 Correct 182 ms 10316 KB Output is correct
51 Correct 1797 ms 82496 KB Output is correct
52 Correct 1888 ms 82484 KB Output is correct
53 Correct 1916 ms 82108 KB Output is correct
54 Correct 181 ms 10424 KB Output is correct
55 Correct 172 ms 10380 KB Output is correct
56 Correct 479 ms 10416 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 185 ms 10816 KB Output is correct
59 Correct 190 ms 10756 KB Output is correct
60 Correct 1857 ms 81180 KB Output is correct
61 Correct 172 ms 10784 KB Output is correct
62 Correct 174 ms 10732 KB Output is correct
63 Correct 178 ms 10692 KB Output is correct
64 Correct 169 ms 10808 KB Output is correct
65 Correct 174 ms 10700 KB Output is correct
66 Correct 159 ms 10772 KB Output is correct
67 Correct 168 ms 10804 KB Output is correct
68 Correct 167 ms 10684 KB Output is correct
69 Correct 174 ms 10772 KB Output is correct
70 Correct 1735 ms 81480 KB Output is correct
71 Correct 164 ms 10776 KB Output is correct
72 Correct 1649 ms 81424 KB Output is correct
73 Correct 1714 ms 85880 KB Output is correct
74 Correct 1 ms 296 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 296 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 16 ms 1512 KB Output is correct
80 Correct 1758 ms 79912 KB Output is correct
81 Correct 1765 ms 80036 KB Output is correct
82 Correct 1794 ms 80028 KB Output is correct
83 Correct 1734 ms 79844 KB Output is correct
84 Correct 1744 ms 79920 KB Output is correct
85 Correct 1741 ms 79884 KB Output is correct
86 Correct 433 ms 11568 KB Output is correct
87 Correct 1 ms 212 KB Output is correct